Update activity_souv_detail.xml

app/src/main/res/layout/activity_souv_detail.xml

@@ -45,6 +45,7 @@
         <Button
             android:onClick="returnHome"
             android:layout_width="match_parent"
+            style="@style/Widget.AppCompat.Button.Colored"
             android:layout_height="match_parent"
             android:text="Return"/>